电动汽车热泵系统压缩机NVH问题分析及优化

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中图分类号：U469.72 TH213.3 文献标志码：A DOI：10.20104/j.cnki.1674-6546.20240267

Analysis and Optimization of Compressor NVH Problem in Electric Vehicle Heat Pump System

ZhuShunkuan，Xia Yinyuan （CheryAutomobileCompanyLimited，Wuhu241007）

【Abstract]The noise source and the noise transmissionof the compressorNVH problem of the electric vehicle heat pump systemarestudied，andtheimprovementisadebyptimizingtheinteralstructureofteelectricompresor，nceasigthe acousticpackageand optimizing theairconditioningpipeline.TheNVH testresultsshow that theinternal structure optimizationcanreducethevibrationexcitationnoiseoftheelectriccompressorwhiletheadditionofacousticpackage andair conditioning pipelineoptimizationcan reduce thecompressrnoise transmission.These enhancementscontribute toa reduction in the noise levelofthe heat pump system during operation and theNVH performance of the vehicle.

Key words：Electric vehicle，Heat pump system，Noise source，Noise transmission，Acoustic package

【引用格式】祝顺宽，夏寅远.电动汽车热泵系统压缩机NVH问题分析及优化[J].汽车工程师，2025（7）：44-48.ZHU S K， XIA Y Y.Analysis and Optimization of Compressr NVH Problem in Electric Vehicle Heat PumpSystem[J]. Automotive Engineer，2025（7）： 44-48.

1前言

传统燃油汽车空调系统的噪声源一般为固定于发动机的空调压缩机，发动机悬置的减振作用减少了噪声问题的发生。（剩余5340字）